- Digital display for the cross slide and the compound tool rest to replace the standard graduated scales.- These LCD units improve accuracy, save reading time and minimise errors.- Imperial or Metric readings may be selected and the reading can be zeroed at any point.- Three decimal place (Metric) and four decimal place (Imperial) displays with an accuracies of ± 0.025mm/0.001".- Requires CR2032 Ð 3V Li-ion batteries (not included).